Table Of Contents - Panasonic KX-TG5776S Service Manual

TABLE OF CONTENTS

1 Safety Precaution ------------------------------------------------ 4
1.1. For Service Technicians --------------------------------- 4
2 Warning -------------------------------------------------------------- 4
2.1. Battery Caution--------------------------------------------- 4
2.2. About Lead Free Solder (Pbf: Pb free)--------------- 4
3 Specifications ----------------------------------------------------- 6
4 Technical Descriptions ----------------------------------------- 7
4.1. FHSS Description ----------------------------------------- 7
4.2. Explanation of Link Data Communication ----------10
4.3. Block Diagram (Base Unit_Main)--------------------- 11
4.4. Block Diagram (Base Unit_RF Part) -----------------12
4.5. Circuit Operation (Base Unit) --------------------------13
4.6. Block Diagram (Handset_Main)-----------------------22
4.7. Block Diagram (Handset_RF Part)-------------------23
4.8. Circuit Operation (Handset)----------------------------24
4.9. Circuit Operation (RF Part)-----------------------------29
4.10. Circuit Operation (Charger Unit) ----------------------34
4.11. Signal Route -----------------------------------------------35
5 Location of Controls and Components ------------------37
5.1. Controls -----------------------------------------------------37
5.2. Displays -----------------------------------------------------38
6 Installation Instructions ---------------------------------------40
6.1. Setting Up the Base Unit -------------------------------40
6.2. Setting Up the Handset ---------------------------------40
6.3. Battery Installation/Replacement ---------------------41
6.4. Battery Charge --------------------------------------------41
6.5. Expanding Your Phone System -----------------------43
7 Operation Instructions-----------------------------------------44
7.1. Symbols Used
Instructions -------------------------------------------------44
7.2. Programmable Settings ---------------------------------45
7.3. Error Messages -------------------------------------------49
7.4. Troubleshooting -------------------------------------------50
8 Test Mode ----------------------------------------------------------54
8.1. Adjustment and Test Mode Flow Chart -------------54
9 Service Mode -----------------------------------------------------63
9.1. How to Clear User Setting------------------------------63
10 Troubleshooting Guide ----------------------------------------64
10.1. Troubleshooting Flowchart -----------------------------64
10.2. How to Replace the Flat Package IC ----------------77
10.3. How to Replace the LLP (Leadless Leadframe
Package) IC------------------------------------------------79
11 Disassembly and Assembly Instructions ---------------81
11.1. Disassembly Instructions -------------------------------81
11.2. Fix the LCD and the Receiver Guide to the
Main P.C. Board (Handset)-----------------------------84
12 Measurements and Adjustments---------------------------85
12.1. Things to Do after Replacing IC ----------------------85
12.2. Base Unit Reference Drawing-------------------------86
12.3. Handset Reference Drawing---------------------------87
12.4. Frequency Table ------------------------------------------88
13 Schematic Diagram ---------------------------------------------90
13.1. For Schematic Diagram---------------------------------90
13.2. Schematic Diagram (Base Unit_Main) --------------92
13.3. Schematic Diagram (Base Unit_RF Part) ----------94
13.4. Schematic Diagram (Base Unit_Operation) -------96
13.5. Schematic Diagram (Handset_Main) ----------------98
13.6. Schematic Diagram (Handset_RF Part) ---------- 100
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in These Operating
13.7. Schematic Diagram (Charger Unit)---------------- 102
14 Printed Circuit Board ---------------------------------------- 103
14.1. Circuit Board (Base Unit_Main) -------------------- 103
14.2. Circuit Board (Base Unit_RF Part)----------------- 105
14.3. Circuit Board (Base Unit_Operation)-------------- 107
14.4. Circuit Board (Handset_Main) ---------------------- 109
14.5. Circuit Board (Handset_RF Part) ------------------- 111
14.6. Circuit Board (Charger Unit)--------------------------112
15 Appendix Information of Schematic Diagram --------113
15.1. CPU Data (Base Unit) ---------------------------------113
15.2. CPU Data (Handset) -----------------------------------114
15.3. Explanation of IC Terminals (RF Part) -------------115
15.4. Terminal Guide of the ICs, Transistors and
Diodes -----------------------------------------------------118
16 Exploded View and Replacement Parts List ----------119
16.1. Cabinet and Electrical Parts (Base Unit) ----------119
16.2. Cabinet and Electrical Parts (Handset)----------- 120
16.3. Cabinet and Electrical Parts (Charger Unit) ----- 121
16.4. Accessories and Packing Materials --------------- 122
16.5. Replacement Parts List------------------------------- 124
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KX-TG5776S/KX-TG5777S/KX-TGA571S
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